CN102232293A - 3D video reproduction matching the output format to the 3D processing ability of a display - Google Patents

3D video reproduction matching the output format to the 3D processing ability of a display Download PDF

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Publication number
CN102232293A
CN102232293A CN2009801468815A CN200980146881A CN102232293A CN 102232293 A CN102232293 A CN 102232293A CN 2009801468815 A CN2009801468815 A CN 2009801468815A CN 200980146881 A CN200980146881 A CN 200980146881A CN 102232293 A CN102232293 A CN 102232293A
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Prior art keywords
video
interface
video information
display device
format
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CN2009801468815A
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CN102232293B (en
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P.S.牛顿
F.斯卡洛里
G.W.T.范德海登
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Koninklijke Philips NV
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Koninklijke Philips Electronics NV
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    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G3/00—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes
    • G09G3/001—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes using specific devices not provided for in groups G09G3/02 - G09G3/36, e.g. using an intermediate record carrier such as a film slide; Projection systems; Display of non-alphanumerical information, solely or in combination with alphanumerical information, e.g. digital display on projected diapositive as background
    • G09G3/003—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes using specific devices not provided for in groups G09G3/02 - G09G3/36, e.g. using an intermediate record carrier such as a film slide; Projection systems; Display of non-alphanumerical information, solely or in combination with alphanumerical information, e.g. digital display on projected diapositive as background to produce spatial visual effects
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
    • G06F3/14—Digital output to display device ; Cooperation and interconnection of the display device with other functional units
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G5/00—Control arrangements or circuits for visual indicators common to cathode-ray tube indicators and other visual indicators
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G5/00—Control arrangements or circuits for visual indicators common to cathode-ray tube indicators and other visual indicators
    • G09G5/003—Details of a display terminal, the details relating to the control arrangement of the display terminal and to the interfaces thereto
    • G09G5/006—Details of the interface to the display terminal
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G5/00—Control arrangements or circuits for visual indicators common to cathode-ray tube indicators and other visual indicators
    • G09G5/36—Control arrangements or circuits for visual indicators common to cathode-ray tube indicators and other visual indicators characterised by the display of a graphic pattern, e.g. using an all-points-addressable [APA] memory
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N13/00—Stereoscopic video systems; Multi-view video systems; Details thereof
    • H04N13/10—Processing, recording or transmission of stereoscopic or multi-view image signals
    • H04N13/106—Processing image signals
    • H04N13/139—Format conversion, e.g. of frame-rate or size
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N13/00—Stereoscopic video systems; Multi-view video systems; Details thereof
    • H04N13/10—Processing, recording or transmission of stereoscopic or multi-view image signals
    • H04N13/194—Transmission of image signals
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N13/00—Stereoscopic video systems; Multi-view video systems; Details thereof
    • H04N13/30—Image reproducers
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G2310/00—Command of the display device
    • G09G2310/02—Addressing, scanning or driving the display screen or processing steps related thereto
    • G09G2310/0224—Details of interlacing
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G2340/00—Aspects of display data processing
    • G09G2340/02—Handling of images in compressed format, e.g. JPEG, MPEG
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G2340/00—Aspects of display data processing
    • G09G2340/04—Changes in size, position or resolution of an image
    • G09G2340/0407—Resolution change, inclusive of the use of different resolutions for different screen areas
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G2360/00—Aspects of the architecture of display systems
    • G09G2360/02—Graphics controller able to handle multiple formats, e.g. input or output formats
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G2360/00—Aspects of the architecture of display systems
    • G09G2360/10—Display system comprising arrangements, such as a coprocessor, specific for motion video images
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G2370/00—Aspects of data communication
    • G09G2370/04—Exchange of auxiliary data, i.e. other than image data, between monitor and graphics controller
    • G09G2370/045—Exchange of auxiliary data, i.e. other than image data, between monitor and graphics controller using multiple communication channels, e.g. parallel and serial
    • G09G2370/047—Exchange of auxiliary data, i.e. other than image data, between monitor and graphics controller using multiple communication channels, e.g. parallel and serial using display data channel standard [DDC] communication
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G2370/00—Aspects of data communication
    • G09G2370/12—Use of DVI or HDMI protocol in interfaces along the display data pipeline

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  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Computer Hardware Design (AREA)
  • Human Computer Interaction (AREA)
  • General Engineering & Computer Science (AREA)
  • Testing, Inspecting, Measuring Of Stereoscopic Televisions And Televisions (AREA)
  • Two-Way Televisions, Distribution Of Moving Picture Or The Like (AREA)
  • Television Signal Processing For Recording (AREA)

Abstract

Discloses is a method of transmitting three dimensional video information over an interface from a playback device to a displaying device, the displaying device and the interface such that the properties of the displaying device can be queried over the interface, the method comprising: determining one or more video format in which a compressed three dimensional video information is available to an input of the playback device, the three dimensional video information available either as stored on a record medium or received via a data transmission system; querying the displaying device over the interface with respect to one or more three dimensional video formats which the displaying device is able to process; selecting a best matching video format, wherein the best matching video format different from at least one available video format, the selection of the best matching video format based on the available video format and the video formats which the displaying device is able to process; processing the compressed three dimensional video information such that the three dimensional video information is transmitted over the interface in the best matching video format.

Description

Make the 3D video reproduction that the 3D disposal ability of output format and display is complementary
Relate to the field
The application relate to a kind of by interface from reproducing device to the method for display device transmission 3 D video information and the equipment of 3 D video information of resetting that is used to of realizing this method.
Background technology
Along with the introduction of new 3D display, exist the 3D video to break through to the opportunity of mass marketing.This 3D display can be handled 3D and two kinds of demonstrations of 2D.At present, existence can be created many display devices of 3D audiovisual experience.The pattern of the input that these equipment requirements are different and have different abilities at aspects such as resolution, color depth, frequencies.
What expect is that the 3D video content sends to display by standard interface from player device.As everyone knows, the 3D video content needs interface to have much higher bandwidth, has therefore designed various transmission methods and has allowed to send the 3D data of adding and the restriction that does not exceed the present interfaces standard.In these methods some are used for some type of display effect and better then can't realize for other types.
Follow the development of type of display closely, carried out research how to express and describe the 3D content in a large number about exploitation, having surmounted present mainly is the content of two dimension.This has produced many 3D forms, mainly belongs to two big classes: based on form and solid (stereo) or many view format of the degree of depth.Each of these classifications all has further subformat, for example can block with transparence information by interpolation 2D video+depth figure is expanded, perhaps can be with solid+degree of depth as pattern of the input.Replacedly, a plurality of views can be mapped directly on demonstration (son) pixel as input signal and with it.Disclose a kind of flexible format of 3D video content in same applicant's application 2006/137000-A1, this application is included in herein for your guidance.
Therefore, there are available several display devices, several form that compresses 3D information to method and several possible being used to of display device transmission 3D information from reproducing device, wherein every kind of display device has its oneself 3D display capabilities, and has a lot of forms incompatible each other in the described form.
Incompatible each other (in other words the lacking unified standard) of many available 3D equipment and 3D form, may cause 3D display and 3D player that consumer's attraction is reduced and emit the risk that causes limited market acceptance.
Summary of the invention
One object of the present invention be to provide a kind of by interface from the method for reproducing device to display device transmission 3 D video information, this method alleviate in above-mentioned drawback and the risk one of at least.The present invention is based on such experience, promptly described reproducing device is positioned in the chain so that it can have the information about this two aspect of 3D ability of compression 3D information that will be processed and described display device.Therefore, if described reproducing device is adapted for and makes it to be complementary with 3D compressing video information and 3D display capabilities just can to relax compatibility issue.
The method according to this invention comprises: determine one or more video formats, can be used for the input of described reproducing device with this video format compress three-dimensional video information, the 3 D video information that this is available or be stored on the recording medium or receive via data transmission system; Inquire described display device by the 3 D video form that described interface can be handled about one or more these display devices; Select the video format of optimum Match, the video format of this optimum Match is different from least one available video form, and the selection of the video format of this optimum Match is based on the video format that described available video form and this display device can be handled; Handle described compress three-dimensional video information, so that this 3 D video information is transmitted by interface with the video format of described optimum Match.Therefore, the 3D video information of being imported is handled make to produce the signal that the display capabilities with this display device is complementary, thereby has relaxed compatibility issue.
Advantageous embodiment of the present invention provides in the dependent claims.
The type and the form that show are closely related, and each display type is built as the form of support specific quantity inherently, thus proved with many existing Display Techniques be grouped into based on the degree of depth be rational with identical two classifications solid.
Reproducing device is connected by standard interface with display device, and this interface has realized sending video and audio frequency and exchange of control information from the player to the display.Most interconnection is to use the high-definition media interface (HDMI) of standard to set up, and this interface is intended to be used for carrying two-dimensional content, and this is equally applicable to existing every other interface type.
Send relatively large data owing to carry the 3D content request, be limited in and realize this point on the existing interface in order on the mode interface of compatibility, to transmit later on and not exceed interface, designed each feature that the whole bag of tricks utilizes standard and carried and transfer three-dimensional required additional information to reproducing to experience.
There are the various methods that are suitable for supporting this form usually in given specific form, and described call format high more (at aspects such as resolution, frame rate), and the method that is fit to is also just few more.
Choosing most important method provides in table 1.
Table 1. 3D content transmission method
Figure 904019DEST_PATH_IMAGE002
Voice-grade channel is meant a kind of method of describing in international application IB2008/053401, this method has proposed how to carry depth map in the HDMI audio packet, and a kind of mechanism with itself and audio video synchronization also is provided.
Replacedly, if every pixel bit number of content is enough little, can be divided by every pixel bit number that described interface sends so and part is used to carry video and the degree of depth or second view are carried in remaining being used to.
Described line interlacing method then is to specify to select even number line to be used for video and to select odd-numbered line to be used for the degree of depth or right view.
Another option be at solid and comprise and utilize interface bandwidth in time and send left and right sides view in succession.Have many other options, each all has different trading off.
Miscellaneous form like this causes a problem, promptly how to support to require different 3D video formats all dissimilar displays as input.In VESA display message extension blocks standard (DI-EXT), some standardization have been made about video format for three-dimensional video-frequency.This standard to describe display can be sent to reproducing device so that it can be identified for the field in the descriptor collection (E-EDID information) of the best video form that transmits on the video interface of for example HDMI.Shown the form of being supported in the following table:
Figure 509575DEST_PATH_IMAGE004
The part of the various display capabilities of table 3.4.1 of table 2. VESA DI-Ext standard
Yet this standard is not also implemented in the most of 3D displays on market, and even this standard also defined three kinds of independently forms.Main problem is can handle the reproducing device of 3D video and figure (for example Blu-ray Disc player or set-top box) how how to determine stack at correctly synthetic this video of its output and figure, so that it meets the form of 3D display requirement.
Can only use with some display for fear of reproducing device and can not be with the problem of other displays, the composition that can change video and figure according to reproducing device of the present invention is to satisfy the desired output format of display.
Now invented out multiple type of display, they are connected with reproducing device (for example Blu-ray Disc player, set-top box) by standard interface, can experience for the consumer provides three-dimensional in the living room.
The present invention proposes a solution, this solution makes different 3D forms to coexist, allow reproducing device to intercom mutually with display apparatus, and allow described reproducing device to select that the two is all supported and be suitable for the form of selected interface constraint and corresponding method to be used to send three-dimensional content.
Other advantageous embodiments of the present invention will be described hereinafter.For easy, use specific interface standard, be typically HDMI, but this is the exemplary selection that can easily turn to other interfaces to select.
Display apparatus can be held the customizing messages (for example size, aspect ratio etc.) (E-EDID information) about its ability at present, and reproducing device can be visited this information and consider this information in the content delivery process.According to one embodiment of the present of invention, it is to comprise new table that this information can be expanded, and this tabular goes out the 3D form of being supported.
According to one embodiment of the present of invention, the indication reproducing device resolves and finds that to this additional information which form is that display is supported.
According to one embodiment of the present of invention, on described reproducing device, implement a kind of algorithm, this algorithm identified goes out the optimum Match between the form that form that described display supports and this reproducing device itself support, and, pick out best method the 3D content is carried to this display with selected form and in the mode of the restriction that do not exceed described interface as second step.Described algorithm refers to the known method that carries the 3D additional information by existing interface, yet also can comprise the novel method based on different principle.
According to an alternative embodiment of the invention, in the process of content delivery, some information are embedded in the data with form and send the used method of this content and inform to display how to explain the data that receive and how to carry out pre-configured for optimum reproducing is provided to self possibly thereby allow this display to know.
According to an alternative embodiment of the invention, in case it has determined best transformat, described reproducing device is about to identifying information and is stored in the register, make storage or can read the value of this register and thereby change their modes from the application of broadcast channel (for example internet, cable TV, satellite) in player device output synthetic video and figure stack.Like this, the application on the laser disc can create out be suitable for most the output format of attached 3D display.
According to an alternative embodiment of the invention, particularly in order to make player device can from Blu-ray Disc, read the 3D content, the BD-Java application provide player that register and Java application programmer interface are set, so that can be visited the information of this register and synthesizing of change video and figure stack.
In an interchangeable embodiment of the present invention, player changes the HAVi equipment disposition automatically and forms with the video format of coupling bottom.This HAVi equipment disposition is intended to allow the configuration from video and graphics plane in the application controls system of holder.Fig. 1 shows a typical example arrangement.By changing this configuration, described application can be controlled the figure that how will use drafting and synthesize with this video before video exports display to.More about the information of HAVI equipment disposition can also from
Http:// www.havi.org/technical/specifications.asp (but free access) obtains.
Description of drawings
Further feature of the present invention and advantage are made explanations with reference to following accompanying drawing, wherein:
Fig. 1 shows the HAVi equipment disposition;
Fig. 2 shows the high level block diagram of form/method selection algorithm;
Fig. 3 shows how to handle stereo content;
Fig. 4 shows the content of how handling based on the degree of depth;
How Fig. 5 shows the instruction video output format;
Fig. 6 schematically shows the form of video background;
Fig. 7 shows a kind of possible HAVi equipment disposition; And
Fig. 8 has described and a kind ofly can implement system of the present invention therein.
Embodiment
Core of the present invention be a kind of by interface from the method for reproducing device to display device transmission 3 D video information, display device and interface make the attribute that can inquire described display device by described interface, this method comprises:
-determine one or more video formats, can be used for the input of described reproducing device with this video format compress three-dimensional video information, the 3 D video information that this is available or be stored on the recording medium or receive via data transmission system;
-3 D video the form that can handle about one or more these display devices by described interface is inquired described display device;
-select the video format of optimum Match, wherein the video format of this optimum Match is different from least one available video form, and the selection of the video format of this optimum Match is based on the video format that described available video form and this display device can be handled;
-handle described compress three-dimensional video information, so that this 3 D video information is transmitted by interface with the video format of described optimum Match.
On described reproducing device, implement this method, it discerns the optimum Match between the form that form that described display supports and this reproducing device itself support, and picks out best method the 3D content is carried to this display with selected form and in the mode that does not exceed described interface restriction.
For easy, use specific interface standard, be typically HDMI, but this is the exemplary selection that can easily turn to other interfaces to select.HDMI is used for connecting reproducing device and Digital Television at present and carries video and the most important standard of audio frequency and control information.HDMI has stipulated that all displays equipment must comprise the E-EDID data structure that meets CEA-861-D, and this data structure comprises two parts at least, the CEA extended version 3 that preceding 128 bytes are represented EDID 1.3 structures and expanded as an E-EDID.Then these can follow other CEA E-EDID expansion, and one of them is used to expand (only being presented at as an example, the form subclass that allows in the HDMI) from one or more values of table 3.
The 3D form Resolution Frame rate Every pixel bit Value
Three-dimensional 720x480 p60 32 0
Three-dimensional 720x480 i240 24 1
Three-dimensional 1920x1080 i25 24 2
Three-dimensional 1920x1080 p25 24 3
Three-dimensional 1920x1080 i60 32 4
Three-dimensional 1920x1080 p60 24 5
Three-dimensional 1920x1080 i120 24 6
Based on the degree of depth 720x480 p60 32 7
Based on the degree of depth 720x480 p240 24 8
Based on the degree of depth 1920x1080 i25 24 9
Based on the degree of depth 1920x1080 p25 24 10
Based on the degree of depth 1920x1080 i60 32 11
Based on the degree of depth 1920x1080 p60 24 12
Based on the degree of depth 1920x1080 i120 24 13
Table 3 3D form
Utilize DDC, described reproducing device reads about the relevant information of display capabilities then and determines which kind of form will be which kind of method it will and use send content with.Make this decision based on described display capabilities and some content-related information, carry out at least one the following step.
Inquire described display device by the 3 D video form (as shown in table 3) that described interface can be handled about one or more these display devices.In a preferred embodiment, suppose that then each display has the form of preference, corresponding to the form with high-resolution and frame rate if comprise a more than item in tabulating.
Based on this information, consider the actual format of this content of storage and the form that itself and display are supported is complementary.This can cause the difference action for different embodiment.Convergent-divergent may take place if for example content resolution is lower than (amplification) or be higher than the resolution that (dwindling) supported.Make it possible to relate to the similar adaptive of frame rate or color depth.Therefore, select single form and in following step, it being taken in.
In advantageous embodiment, if when selected form is solid, the then level and the vertical frequency (being present among the EDID equally) of the reading displayed device maximum that can reach.If resolution and its height of frame rate according to content must be enough to hold this content, select described so according to the time sequencing method.
In advantageous embodiment, if the frame rate of content has been utilized maximum display frequency, and if the content color depth be less than or equal to maximum half of color depth of showing, then select described color depth method.
Replacedly, if the resolution of content is enough low, then be chosen in the described line interlacing method that carries left and right sides view in the same valid frame.
In advantageous embodiment,, then carry out similar assessment and check color depth or the line interlacing method whether can used if selected form is based on the degree of depth.
Replacedly, if content includes only the stereo audio passage or reproducing device is not connected to loopful around sound system, then the degree of depth is contained in the HDMI audio packet.
In advantageous embodiment,, then select the next form of being supported (being the form that resolution and frame rate are only second to selected form) and repeat operation from 0 step if there is not method to send content and not exceed the restriction of HDMI interface with selected form.
Fig. 2 shows above the flow chart with the algorithm of explanatory note.Be used to handle stereo content and be showed in 3 and 4. respectively based on the part of the content of the degree of depth
Fig. 8 shows a kind of system that is used for transmitting three-dimensional (3D) view data, and described view data is video, figure or other visual informations for example.3D reproducing device 10 is coupled in 3D display apparatus 13 in order to transmit 3D shows signal 56.This 3D reproducing device has input unit 51 and is used to receive image information.For instance, this input unit equipment can comprise laser disc unit 58, is used for from optical record carrier 54(such as DVD or Blu-ray Disc) the various types of image informations of retrieval.Replacedly, this input unit can comprise network interface unit 59, is used for and network 55(such as the Internet or radio network) coupling, this equipment is commonly called set-top box.View data can be retrieved from remote media server 57 and obtain.Described reproducing device can also be satellite receiver or the media server that shows signal directly is provided, and promptly the output 3D shows signal of any appropriate is so that couple directly to the equipment of display unit.
Described 3D reproducing device has processing unit 52, and itself and 51 couplings of described input unit are used to handle described image information to produce 3D shows signal 56, and this signal is transferred into described display apparatus by output interface unit 12.This processing unit 52 is set to be used for producing and is included in the view data that is used for the described 3D shows signal 56 that shows on described display apparatus 13.Described reproducing device is provided with user's control element 15, is used to control the display parameters of described view data, for example contrast or color parameter.Such user's control element is well-known and can comprises remote control unit, this unit has various buttons and/or cursor control function to be used to control the various functions of 3D source device, for example reset and recording function, and be used for via for example graphic user interface and/or the described display parameters of menu setting.
Described 3D display apparatus 13 is used to show the 3D rendering data.This equipment has input interface unit 14, is used to receive described 3D shows signal 56.This display apparatus is provided with other user's control element 16, is used to be provided with the display parameters of display, for example contrast, color or depth parameter.In processing unit 18, display control signal is handled and generated to the view data of transmitting to be used for reproducing the 3D rendering data based on different frame types on the 3D display according to the order that is provided with from user's control element.This equipment has 3D display 17, and it receives described display control signal in order to show the view data after handling, for example double-screen LCD.This display apparatus 13 is three-dimensional displays, also claims 3D display, and it has the display depth range by arrow 44 indications.According to the demonstration of different frame execution 3D rendering data, each frame provides corresponding part 3D rendering data structure.
System comprises the display device by interface and reproducing device coupling, and it is adapted for and shows the 3D video information.This reproducing device receives the compressed information stream that comprises described 3D video information, handles these information and send signal by described interface to described display device.This reproducing device can obtain compressed information stream by reading information or receive this information by independent transmission system from storage medium.The exemplary embodiment of described transmission system is the Internet, (numeral) wired and radio broadcasting, and exemplary storage medium is a blu-ray system.
Comprise according to a kind of reproducing device of the present invention:
-input unit is used for receiving 3 D video information from recording medium or via data transmission system;
-output device is used for sending video information by interface to display device, the feasible attribute that can inquire described display device by described interface of described display device and interface;
-be used for determining can be used for input with this video format compress three-dimensional video information by the device of one or more video formats;
-be used for inquiring the device of described display device by the 3 D video form that described interface can be handled about one or more these display devices;
-be used to select the device of the video format of optimum Match, wherein the video format of this optimum Match is different from least one available video form, and the selection of the video format of this optimum Match is based on the video format that described available video form and this display device can be handled;
-video process apparatus is used to handle described compress three-dimensional video information, so that this 3 D video information is transmitted by interface with the video format of described optimum Match.
It is pointed out that the described device that is used for selecting can be implanted to control unit, described control unit is by suitable hardware or the described reproducing device of software control.In one embodiment of the invention, this control unit can be adapted to be carry out described method institute in steps.
After having selected form and transmission method, described reproducing device is stored in player with identifying information and is provided with in the register.Described therein reproducing device is in the specific embodiment of BD player, and the qualification of register 29 " video capability of player " is expanded.This register 29 is represented the video capability of BD-ROM layer.Current it define player and whether have the ability output 50 or 25Hz and this player whether can be with full HD resolution decoding auxiliary video stream.Fig. 5 shows the expansion explanation to the register 29 of BD specification.Preceding two bits of this 32 bit register are used other fields and then are retained.These other fields that are retained can expand to the type of the 3D output format that indication supports.Replacedly, we define new register and hold these values.
For set-top box, can implement aforesaid additional registration table.
Table 3 has been indicated several formatting options.We think and use remaining 6 bit (64 kinds of options) enough to indicate many possible different-formats at present.
Except described register, the Java on the dish uses also needs the value of reading mechanism, so that it can determine how to be provided with described HAVi equipment disposition, thereby makes the arbitrary graphic stack of being painted by this application be superimposed on the correct part of video background.
Fig. 5 shows some format samples of video background.
As can be seen from Figure 6, the configuration of video background can great changes have taken place and these only are two options, and many other configurations also are possible.In these different each that dispose, described figure stack should be synthesized on the different piece of described video background.
At present, described HAVi equipment disposition comprises the HBackgroundDevice(H background equipment), the HVideoDevice(H video equipment), the HGraphicsDevice(H graphics device) class and HScene(H scene) class.By these classes, described application can be controlled the configuration and the control on background, video, figure and application UI plane and how synthesize them to form an output frame.Fig. 7 shows a kind of possible HAVi equipment disposition.
As can be seen from Figure 6, a plurality of video flowings are used to 3D.The described figure stack that is used to export to three-dimensional display two the identical but images that have been shifted that should on the different piece of video, superpose.In order to export automatic stereoscopic display device to, described figure stack should be positioned on the video that comprises a left side (or 2D) video and degree of depth relevant layers on (blocking and transparency).Be used for the player register setting of 3D output by check, described application can learn which part of video is the figure that should superpose.
Is complicated though this mode is feasible for using the creator.In order to alleviate this problem, need to change HAVi equipment disposition mechanism in the BD player to allow it to express possibility to be used for the difference configuration of 3D video format.
Several modes are possible.A kind of mode is to add the new class that is exclusively used in Blu-ray Disc, the video background fragment that the representative of each class is different, for example BDLeftVideo(BD left video), the right video of BDRightVideo(BD), the BDDepthVideo(BD deep video), BDOcclusionVideo(BD blocks video) etc.These classes are subclasses of HVideoDevice class.In addition, can limit graph of a correspondence stack class, for example a BDGraphicsLeft(BD figure left side), the BDGraphicsRight(BD figure right side), the BDGraphicsDepth(BD figure degree of depth) etc.In addition, need a kind of method to read the value of register to allow described application, the setting of this register-stored output format for example obtains 3D output configuration.This method is returned output format.Described application can be disposed various figure stack classes then.This allows to use the creator then and writes out figure is superimposed upon on the different video fragment, and needn't know the application of the precise combination of using in this output format.
The embodiment that it should be noted that above to be mentioned is intended to explaination and non-limiting the present invention.Those skilled in the art can design the embodiment of many replacements and can not deviate from the scope of appended claims.In claims, any Reference numeral of bracket that places should not be understood that to limit claim.Verb " comprises/comprise " and their use of version do not get rid of claim outside described element or the existence of step.Article " " before the element or " being somebody's turn to do " are not got rid of the existence of a plurality of such elements.The present invention can realize by the hardware that comprises several different elements, also can pass through the suitably computer realization of programming.Computer program can be stored/be distributed in suitable medium (for example optics holder) and go up or provide with hardware component, yet, also can adopt other form to distribute, for example by the internet or by wired or wireless telecommunication systems.In enumerating the system/device/apparatus claim of some members, some can the enforcement in these members by same hardware or software item.The pure fact that some technological means are put down in writing in mutually different dependent claims and the combination that does not mean that these means can not advantageously be used.

Claims (12)

  1. One kind by interface from the method for reproducing device to display device transmission 3 D video information, described display device and interface make the attribute that can inquire described display device by described interface, this method comprises:
    -determine one or more video formats, can be used for the input of described reproducing device with this video format compress three-dimensional video information, this available 3 D video information be stored on the recording medium or receive via data transmission system;
    -3 D video the form that can handle about one or more these display devices by described interface is inquired described display device;
    Select the video format of optimum Match, wherein,
    The video format of this optimum Match is different from least one available video form, and the selection of the video format of this optimum Match is based on the video format that described available video form and this display device can be handled;
    -handle described compress three-dimensional video information, so that this 3 D video information is transmitted by interface with the video format of described optimum Match.
  2. According to the process of claim 1 wherein treatment step in comprising the following steps one of at least:
    The frame of pixels size of the described 3 D video information of-convergent-divergent;
    The frame rate of-adaptive described 3 D video information;
    The color depth of-adaptive described 3 D video information.
  3. 3. according to the method for claim 2, wherein said interface is the HDMI interface.
  4. 4. according to the method for claim 3, wherein select the video format of stereo format, and select by the described three-dimensional information of one of following method transmission as described optimum Match:
    -according to the method for time sequencing, if the frame of pixels size of frame of pixels size that wherein described display device can be handled and available 3 D video information is complementary then selects this method according to time sequencing;
    -color depth method is if wherein the content color depth is less than or equal to half of maximum demonstration color depth then selects this color depth method;
    -line interlacing method, if the frame of pixels size that wherein described display device can be handled be described available 3 D video information the frame of pixels size twice at least this select this line interlacing method.
  5. 5. according to the method for claim 3, wherein select the video format of 2D+ degree of depth form, and depth information is contained in the HDMI audio packet as described optimum Match.
  6. 6. according to the method for any aforementioned claim, maximum pixel frame size and the highest frame rate that the video format of wherein said optimum Match can be handled corresponding to described display device.
  7. 7. one kind is used to the reproducing device of 3 D video information of resetting, and this equipment comprises:
    -input unit is used for receiving 3 D video information from recording medium or via data transmission system;
    -output device is used for sending video information by interface to display device, the feasible attribute that can inquire described display device by described interface of described display device and interface;
    -be used for determining can be used for input with this video format compress three-dimensional video information by the device of one or more video formats;
    -be used for inquiring the device of described display device by the 3 D video form that described interface can be handled about one or more these display devices;
    -be used to select the device of the video format of optimum Match, wherein the video format of this optimum Match is different from least one available video form, and the selection of the video format of this optimum Match is based on the video format that described available video form and this display device can be handled;
    -video process apparatus is used to handle described compress three-dimensional video information, so that this 3 D video information is transmitted by interface with the video format of described optimum Match.
  8. 8. according to the equipment of claim 7, wherein said video process apparatus be adapted to be carry out in the following operation one of at least:
    The frame of pixels size of the described 3 D video information of-convergent-divergent;
    The frame rate of-adaptive described 3 D video information;
    The color depth of-adaptive described 3 D video information.
  9. 9. equipment according to Claim 8, wherein said interface is the HDMI interface.
  10. 10. according to the equipment of claim 9, the wherein said device that is used to select is adapted to be selects the video format of stereo format as described optimum Match, and the described device that is used to select is adapted to be and selects to transmit described 3 D video information by one of following method:
    -according to the method for time sequencing, if the frame of pixels size of frame of pixels size that wherein described display device can be handled and available 3 D video information is complementary then selects this method according to time sequencing;
    -color depth method is if wherein the content color depth is less than or equal to and maximum show half of color depth then select the method for this color depth;
    -line interlacing method, if the frame of pixels size that wherein described display device can be handled be described available 3 D video information the frame of pixels size twice at least select this line interlacing method.
  11. 11. according to the equipment of claim 9, the wherein said device that is used to select is adapted to be selects the video format of 2D+ degree of depth form as described optimum Match, and described equipment is adapted to be depth information is contained in the HDMI audio packet.
  12. 12. according to one of any equipment among the claim 7-11, maximum pixel frame size and the highest frame rate that the video format of wherein said optimum Match can be handled corresponding to described display device.
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